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Old 08-27-2013, 03:27 PM   #1
jimstaz
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Default Why is there coolant on sparkplugs?

why do o have coolant on my spark plugs.. the car idles fine... is somehting going wrong with the engine is is the coolant normal? just doing a tune up... and recently did replace the radiator about a month ago.






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Old 08-27-2013, 07:08 PM   #2
mazpower
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Coolant on spark plugs means the seals have failed and it's time for a rebuild.
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Old 08-28-2013, 06:32 AM   #3
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You have an internal coolant leak for sure. You can try the AlumaSeal in the coolant. I've had
success with it on a leak between the front plate and the front housing at the top. It took
a few days but now the leaks is pretty much gone. Some folks have done this and kept a
motor running for over 50K longer.

Of course this was on an old 12A and not an rx8. YMMV.
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